Spdk/scripts/perf/nvmf/run_nvmf.py
Karol Latecki 42d2e588d6 scripts/nvmf_perf: Keep track of num_cores for Initiator class
There are multiple cases for counting number of CPU threads
on Initiator side. Keep track of num_cores in all of them.

Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Change-Id: I4b8d1d79a2aa17706d206b149c1c8e8816ae2ef5
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6536
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Maciej Wawryk <maciejx.wawryk@intel.com>
2021-04-21 23:59:40 +00:00

1368 lines
58 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import re
import sys
import json
import zipfile
import threading
import subprocess
import itertools
import configparser
import time
import uuid
from collections import OrderedDict
import paramiko
import pandas as pd
import rpc
import rpc.client
from common import *
class Server:
def __init__(self, name, general_config, server_config):
self.name = name
self.username = general_config["username"]
self.password = general_config["password"]
self.transport = general_config["transport"].lower()
self.nic_ips = server_config["nic_ips"]
self.mode = server_config["mode"]
self.irq_scripts_dir = "/usr/src/local/mlnx-tools/ofed_scripts"
if "irq_scripts_dir" in server_config and server_config["irq_scripts_dir"]:
self.irq_scripts_dir = server_config["irq_scripts_dir"]
self.local_nic_info = []
self._nics_json_obj = {}
self.svc_restore_dict = {}
self.sysctl_restore_dict = {}
self.tuned_restore_dict = {}
self.governor_restore = ""
self.tuned_profile = ""
self.enable_adq = False
self.adq_priority = None
if "adq_enable" in server_config and server_config["adq_enable"]:
self.enable_adq = server_config["adq_enable"]
self.adq_priority = 1
if "tuned_profile" in server_config:
self.tuned_profile = server_config["tuned_profile"]
if not re.match("^[A-Za-z0-9]*$", name):
self.log_print("Please use a name which contains only letters or numbers")
sys.exit(1)
def log_print(self, msg):
print("[%s] %s" % (self.name, msg), flush=True)
def get_uncommented_lines(self, lines):
return [line for line in lines if line and not line.startswith('#')]
def get_nic_name_by_ip(self, ip):
if not self._nics_json_obj:
nics_json_obj = self.exec_cmd(["ip", "-j", "address", "show"])
self._nics_json_obj = list(filter(lambda x: x["addr_info"], json.loads(nics_json_obj)))
for nic in self._nics_json_obj:
for addr in nic["addr_info"]:
if ip in addr["local"]:
return nic["ifname"]
def set_local_nic_info_helper(self):
pass
def set_local_nic_info(self, pci_info):
def extract_network_elements(json_obj):
nic_list = []
if isinstance(json_obj, list):
for x in json_obj:
nic_list.extend(extract_network_elements(x))
elif isinstance(json_obj, dict):
if "children" in json_obj:
nic_list.extend(extract_network_elements(json_obj["children"]))
if "class" in json_obj.keys() and "network" in json_obj["class"]:
nic_list.append(json_obj)
return nic_list
self.local_nic_info = extract_network_elements(pci_info)
def exec_cmd(self, cmd, stderr_redirect=False, change_dir=None):
return ""
def configure_system(self):
self.configure_services()
self.configure_sysctl()
self.configure_tuned()
self.configure_cpu_governor()
self.configure_irq_affinity()
def configure_adq(self):
self.adq_load_modules()
self.adq_configure_nic()
def adq_load_modules(self):
self.log_print("Modprobing ADQ-related Linux modules...")
adq_module_deps = ["sch_mqprio", "act_mirred", "cls_flower"]
for module in adq_module_deps:
try:
self.exec_cmd(["sudo", "modprobe", module])
self.log_print("%s loaded!" % module)
except CalledProcessError as e:
self.log_print("ERROR: failed to load module %s" % module)
self.log_print("%s resulted in error: %s" % (e.cmd, e.output))
def adq_configure_nic(self):
self.log_print("Configuring NIC port settings for ADQ testing...")
# Reload the driver first, to make sure any previous settings are re-set.
try:
self.exec_cmd(["sudo", "rmmod", "ice"])
self.exec_cmd(["sudo", "modprobe", "ice"])
except CalledProcessError as e:
self.log_print("ERROR: failed to reload ice module!")
self.log_print("%s resulted in error: %s" % (e.cmd, e.output))
nic_names = [self.get_nic_name_by_ip(n) for n in self.nic_ips]
for nic in nic_names:
self.log_print(nic)
try:
self.exec_cmd(["sudo", "ethtool", "-K", nic,
"hw-tc-offload", "on"]) # Enable hardware TC offload
self.exec_cmd(["sudo", "ethtool", "--set-priv-flags", nic,
"channel-inline-flow-director", "on"]) # Enable Intel Flow Director
self.exec_cmd(["sudo", "ethtool", "--set-priv-flags", nic, "fw-lldp-agent", "off"]) # Disable LLDP
self.exec_cmd(["sudo", "ethtool", "--set-priv-flags", nic,
"channel-pkt-inspect-optimize", "off"]) # Disable channel packet inspection optimization
except CalledProcessError as e:
self.log_print("ERROR: failed to configure NIC port using ethtool!")
self.log_print("%s resulted in error: %s" % (e.cmd, e.output))
self.log_print("Please update your NIC driver and firmware versions and try again.")
self.log_print(self.exec_cmd(["sudo", "ethtool", "-k", nic]))
self.log_print(self.exec_cmd(["sudo", "ethtool", "--show-priv-flags", nic]))
def configure_services(self):
self.log_print("Configuring active services...")
svc_config = configparser.ConfigParser(strict=False)
# Below list is valid only for RHEL / Fedora systems and might not
# contain valid names for other distributions.
svc_target_state = {
"firewalld": "inactive",
"irqbalance": "inactive",
"lldpad.service": "inactive",
"lldpad.socket": "inactive"
}
for service in svc_target_state:
out = self.exec_cmd(["sudo", "systemctl", "show", "--no-page", service])
out = "\n".join(["[%s]" % service, out])
svc_config.read_string(out)
if "LoadError" in svc_config[service] and "not found" in svc_config[service]["LoadError"]:
continue
service_state = svc_config[service]["ActiveState"]
self.log_print("Current state of %s service is %s" % (service, service_state))
self.svc_restore_dict.update({service: service_state})
if service_state != "inactive":
self.log_print("Disabling %s. It will be restored after the test has finished." % service)
self.exec_cmd(["sudo", "systemctl", "stop", service])
def configure_sysctl(self):
self.log_print("Tuning sysctl settings...")
busy_read = 0
if self.enable_adq and self.mode == "spdk":
busy_read = 1
sysctl_opts = {
"net.core.busy_poll": 0,
"net.core.busy_read": busy_read,
"net.core.somaxconn": 4096,
"net.core.netdev_max_backlog": 8192,
"net.ipv4.tcp_max_syn_backlog": 16384,
"net.core.rmem_max": 268435456,
"net.core.wmem_max": 268435456,
"net.ipv4.tcp_mem": "268435456 268435456 268435456",
"net.ipv4.tcp_rmem": "8192 1048576 33554432",
"net.ipv4.tcp_wmem": "8192 1048576 33554432",
"net.ipv4.route.flush": 1,
"vm.overcommit_memory": 1,
}
for opt, value in sysctl_opts.items():
self.sysctl_restore_dict.update({opt: self.exec_cmd(["sysctl", "-n", opt]).strip()})
self.log_print(self.exec_cmd(["sudo", "sysctl", "-w", "%s=%s" % (opt, value)]).strip())
def configure_tuned(self):
if not self.tuned_profile:
self.log_print("WARNING: Tuned profile not set in configration file. Skipping configuration.")
return
self.log_print("Configuring tuned-adm profile to %s." % self.tuned_profile)
service = "tuned"
tuned_config = configparser.ConfigParser(strict=False)
out = self.exec_cmd(["sudo", "systemctl", "show", "--no-page", service])
out = "\n".join(["[%s]" % service, out])
tuned_config.read_string(out)
tuned_state = tuned_config[service]["ActiveState"]
self.svc_restore_dict.update({service: tuned_state})
if tuned_state != "inactive":
profile = self.exec_cmd(["cat", "/etc/tuned/active_profile"]).strip()
profile_mode = self.exec_cmd(["cat", "/etc/tuned/profile_mode"]).strip()
self.tuned_restore_dict = {
"profile": profile,
"mode": profile_mode
}
self.exec_cmd(["sudo", "systemctl", "start", service])
self.exec_cmd(["sudo", "tuned-adm", "profile", self.tuned_profile])
self.log_print("Tuned profile set to %s." % self.exec_cmd(["cat", "/etc/tuned/active_profile"]))
def configure_cpu_governor(self):
self.log_print("Setting CPU governor to performance...")
# This assumes that there is the same CPU scaling governor on each CPU
self.governor_restore = self.exec_cmd(["cat", "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"]).strip()
self.exec_cmd(["sudo", "cpupower", "frequency-set", "-g", "performance"])
def configure_irq_affinity(self):
self.log_print("Setting NIC irq affinity for NICs...")
irq_script_path = os.path.join(self.irq_scripts_dir, "set_irq_affinity.sh")
nic_names = [self.get_nic_name_by_ip(n) for n in self.nic_ips]
for nic in nic_names:
irq_cmd = ["sudo", irq_script_path, nic]
self.log_print(irq_cmd)
self.exec_cmd(irq_cmd, change_dir=self.irq_scripts_dir)
def restore_services(self):
self.log_print("Restoring services...")
for service, state in self.svc_restore_dict.items():
cmd = "stop" if state == "inactive" else "start"
self.exec_cmd(["sudo", "systemctl", cmd, service])
def restore_sysctl(self):
self.log_print("Restoring sysctl settings...")
for opt, value in self.sysctl_restore_dict.items():
self.log_print(self.exec_cmd(["sudo", "sysctl", "-w", "%s=%s" % (opt, value)]).strip())
def restore_tuned(self):
self.log_print("Restoring tuned-adm settings...")
if not self.tuned_restore_dict:
return
if self.tuned_restore_dict["mode"] == "auto":
self.exec_cmd(["sudo", "tuned-adm", "auto_profile"])
self.log_print("Reverted tuned-adm to auto_profile.")
else:
self.exec_cmd(["sudo", "tuned-adm", "profile", self.tuned_restore_dict["profile"]])
self.log_print("Reverted tuned-adm to %s profile." % self.tuned_restore_dict["profile"])
def restore_governor(self):
self.log_print("Restoring CPU governor setting...")
if self.governor_restore:
self.exec_cmd(["sudo", "cpupower", "frequency-set", "-g", self.governor_restore])
self.log_print("Reverted CPU governor to %s." % self.governor_restore)
class Target(Server):
def __init__(self, name, general_config, target_config):
super(Target, self).__init__(name, general_config, target_config)
# Defaults
self.enable_sar = False
self.sar_delay = 0
self.sar_interval = 0
self.sar_count = 0
self.enable_pcm = False
self.pcm_dir = ""
self.pcm_delay = 0
self.pcm_interval = 0
self.pcm_count = 0
self.enable_bandwidth = 0
self.bandwidth_count = 0
self.enable_dpdk_memory = False
self.dpdk_wait_time = 0
self.enable_zcopy = False
self.scheduler_name = "static"
self.null_block = 0
self._nics_json_obj = json.loads(self.exec_cmd(["ip", "-j", "address", "show"]))
self.subsystem_info_list = []
if "null_block_devices" in target_config:
self.null_block = target_config["null_block_devices"]
if "sar_settings" in target_config:
self.enable_sar, self.sar_delay, self.sar_interval, self.sar_count = target_config["sar_settings"]
if "pcm_settings" in target_config:
self.enable_pcm = True
self.pcm_dir, self.pcm_delay, self.pcm_interval, self.pcm_count = target_config["pcm_settings"]
if "enable_bandwidth" in target_config:
self.enable_bandwidth, self.bandwidth_count = target_config["enable_bandwidth"]
if "enable_dpdk_memory" in target_config:
self.enable_dpdk_memory, self.dpdk_wait_time = target_config["enable_dpdk_memory"]
if "scheduler_settings" in target_config:
self.scheduler_name = target_config["scheduler_settings"]
if "zcopy_settings" in target_config:
self.enable_zcopy = target_config["zcopy_settings"]
self.script_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
self.spdk_dir = os.path.abspath(os.path.join(self.script_dir, "../../../"))
self.set_local_nic_info(self.set_local_nic_info_helper())
self.configure_system()
if self.enable_adq:
self.configure_adq()
self.sys_config()
def set_local_nic_info_helper(self):
return json.loads(self.exec_cmd(["lshw", "-json"]))
def exec_cmd(self, cmd, stderr_redirect=False, change_dir=None):
stderr_opt = None
if stderr_redirect:
stderr_opt = subprocess.STDOUT
if change_dir:
old_cwd = os.getcwd()
os.chdir(change_dir)
self.log_print("Changing directory to %s" % change_dir)
out = check_output(cmd, stderr=stderr_opt).decode(encoding="utf-8")
if change_dir:
os.chdir(old_cwd)
self.log_print("Changing directory to %s" % old_cwd)
return out
def zip_spdk_sources(self, spdk_dir, dest_file):
self.log_print("Zipping SPDK source directory")
fh = zipfile.ZipFile(dest_file, "w", zipfile.ZIP_DEFLATED)
for root, directories, files in os.walk(spdk_dir, followlinks=True):
for file in files:
fh.write(os.path.relpath(os.path.join(root, file)))
fh.close()
self.log_print("Done zipping")
def read_json_stats(self, file):
with open(file, "r") as json_data:
data = json.load(json_data)
job_pos = 0 # job_post = 0 because using aggregated results
# Check if latency is in nano or microseconds to choose correct dict key
def get_lat_unit(key_prefix, dict_section):
# key prefix - lat, clat or slat.
# dict section - portion of json containing latency bucket in question
# Return dict key to access the bucket and unit as string
for k, v in dict_section.items():
if k.startswith(key_prefix):
return k, k.split("_")[1]
def get_clat_percentiles(clat_dict_leaf):
if "percentile" in clat_dict_leaf:
p99_lat = float(clat_dict_leaf["percentile"]["99.000000"])
p99_9_lat = float(clat_dict_leaf["percentile"]["99.900000"])
p99_99_lat = float(clat_dict_leaf["percentile"]["99.990000"])
p99_999_lat = float(clat_dict_leaf["percentile"]["99.999000"])
return [p99_lat, p99_9_lat, p99_99_lat, p99_999_lat]
else:
# Latest fio versions do not provide "percentile" results if no
# measurements were done, so just return zeroes
return [0, 0, 0, 0]
read_iops = float(data["jobs"][job_pos]["read"]["iops"])
read_bw = float(data["jobs"][job_pos]["read"]["bw"])
lat_key, lat_unit = get_lat_unit("lat", data["jobs"][job_pos]["read"])
read_avg_lat = float(data["jobs"][job_pos]["read"][lat_key]["mean"])
read_min_lat = float(data["jobs"][job_pos]["read"][lat_key]["min"])
read_max_lat = float(data["jobs"][job_pos]["read"][lat_key]["max"])
clat_key, clat_unit = get_lat_unit("clat", data["jobs"][job_pos]["read"])
read_p99_lat, read_p99_9_lat, read_p99_99_lat, read_p99_999_lat = get_clat_percentiles(
data["jobs"][job_pos]["read"][clat_key])
if "ns" in lat_unit:
read_avg_lat, read_min_lat, read_max_lat = [x / 1000 for x in [read_avg_lat, read_min_lat, read_max_lat]]
if "ns" in clat_unit:
read_p99_lat = read_p99_lat / 1000
read_p99_9_lat = read_p99_9_lat / 1000
read_p99_99_lat = read_p99_99_lat / 1000
read_p99_999_lat = read_p99_999_lat / 1000
write_iops = float(data["jobs"][job_pos]["write"]["iops"])
write_bw = float(data["jobs"][job_pos]["write"]["bw"])
lat_key, lat_unit = get_lat_unit("lat", data["jobs"][job_pos]["write"])
write_avg_lat = float(data["jobs"][job_pos]["write"][lat_key]["mean"])
write_min_lat = float(data["jobs"][job_pos]["write"][lat_key]["min"])
write_max_lat = float(data["jobs"][job_pos]["write"][lat_key]["max"])
clat_key, clat_unit = get_lat_unit("clat", data["jobs"][job_pos]["write"])
write_p99_lat, write_p99_9_lat, write_p99_99_lat, write_p99_999_lat = get_clat_percentiles(
data["jobs"][job_pos]["write"][clat_key])
if "ns" in lat_unit:
write_avg_lat, write_min_lat, write_max_lat = [x / 1000 for x in [write_avg_lat, write_min_lat, write_max_lat]]
if "ns" in clat_unit:
write_p99_lat = write_p99_lat / 1000
write_p99_9_lat = write_p99_9_lat / 1000
write_p99_99_lat = write_p99_99_lat / 1000
write_p99_999_lat = write_p99_999_lat / 1000
return [read_iops, read_bw, read_avg_lat, read_min_lat, read_max_lat,
read_p99_lat, read_p99_9_lat, read_p99_99_lat, read_p99_999_lat,
write_iops, write_bw, write_avg_lat, write_min_lat, write_max_lat,
write_p99_lat, write_p99_9_lat, write_p99_99_lat, write_p99_999_lat]
def parse_results(self, results_dir, initiator_count=None, run_num=None):
files = os.listdir(results_dir)
fio_files = filter(lambda x: ".fio" in x, files)
json_files = [x for x in files if ".json" in x]
headers = ["read_iops", "read_bw", "read_avg_lat_us", "read_min_lat_us", "read_max_lat_us",
"read_p99_lat_us", "read_p99.9_lat_us", "read_p99.99_lat_us", "read_p99.999_lat_us",
"write_iops", "write_bw", "write_avg_lat_us", "write_min_lat_us", "write_max_lat_us",
"write_p99_lat_us", "write_p99.9_lat_us", "write_p99.99_lat_us", "write_p99.999_lat_us"]
aggr_headers = ["iops", "bw", "avg_lat_us", "min_lat_us", "max_lat_us",
"p99_lat_us", "p99.9_lat_us", "p99.99_lat_us", "p99.999_lat_us"]
header_line = ",".join(["Name", *headers])
aggr_header_line = ",".join(["Name", *aggr_headers])
# Create empty results file
csv_file = "nvmf_results.csv"
with open(os.path.join(results_dir, csv_file), "w") as fh:
fh.write(aggr_header_line + "\n")
rows = set()
for fio_config in fio_files:
self.log_print("Getting FIO stats for %s" % fio_config)
job_name, _ = os.path.splitext(fio_config)
# Look in the filename for rwmixread value. Function arguments do
# not have that information.
# TODO: Improve this function by directly using workload params instead
# of regexing through filenames.
if "read" in job_name:
rw_mixread = 1
elif "write" in job_name:
rw_mixread = 0
else:
rw_mixread = float(re.search(r"m_(\d+)", job_name).group(1)) / 100
# If "_CPU" exists in name - ignore it
# Initiators for the same job could have diffrent num_cores parameter
job_name = re.sub(r"_\d+CPU", "", job_name)
job_result_files = [x for x in json_files if job_name in x]
self.log_print("Matching result files for current fio config:")
for j in job_result_files:
self.log_print("\t %s" % j)
# There may have been more than 1 initiator used in test, need to check that
# Result files are created so that string after last "_" separator is server name
inits_names = set([os.path.splitext(x)[0].split("_")[-1] for x in job_result_files])
inits_avg_results = []
for i in inits_names:
self.log_print("\tGetting stats for initiator %s" % i)
# There may have been more than 1 test run for this job, calculate average results for initiator
i_results = [x for x in job_result_files if i in x]
i_results_filename = re.sub(r"run_\d+_", "", i_results[0].replace("json", "csv"))
separate_stats = []
for r in i_results:
stats = self.read_json_stats(os.path.join(results_dir, r))
separate_stats.append(stats)
self.log_print(stats)
init_results = [sum(x) for x in zip(*separate_stats)]
init_results = [x / len(separate_stats) for x in init_results]
inits_avg_results.append(init_results)
self.log_print("\tAverage results for initiator %s" % i)
self.log_print(init_results)
with open(os.path.join(results_dir, i_results_filename), "w") as fh:
fh.write(header_line + "\n")
fh.write(",".join([job_name, *["{0:.3f}".format(x) for x in init_results]]) + "\n")
# Sum results of all initiators running this FIO job.
# Latency results are an average of latencies from accros all initiators.
inits_avg_results = [sum(x) for x in zip(*inits_avg_results)]
inits_avg_results = OrderedDict(zip(headers, inits_avg_results))
for key in inits_avg_results:
if "lat" in key:
inits_avg_results[key] /= len(inits_names)
# Aggregate separate read/write values into common labels
# Take rw_mixread into consideration for mixed read/write workloads.
aggregate_results = OrderedDict()
for h in aggr_headers:
read_stat, write_stat = [float(value) for key, value in inits_avg_results.items() if h in key]
if "lat" in h:
_ = rw_mixread * read_stat + (1 - rw_mixread) * write_stat
else:
_ = read_stat + write_stat
aggregate_results[h] = "{0:.3f}".format(_)
rows.add(",".join([job_name, *aggregate_results.values()]))
# Save results to file
for row in rows:
with open(os.path.join(results_dir, csv_file), "a") as fh:
fh.write(row + "\n")
self.log_print("You can find the test results in the file %s" % os.path.join(results_dir, csv_file))
def measure_sar(self, results_dir, sar_file_name):
self.log_print("Waiting %d delay before measuring SAR stats" % self.sar_delay)
time.sleep(self.sar_delay)
out = self.exec_cmd(["sar", "-P", "ALL", "%s" % self.sar_interval, "%s" % self.sar_count])
with open(os.path.join(results_dir, sar_file_name), "w") as fh:
for line in out.split("\n"):
if "Average" in line and "CPU" in line:
self.log_print("Summary CPU utilization from SAR:")
self.log_print(line)
if "Average" in line and "all" in line:
self.log_print(line)
fh.write(out)
def measure_pcm_memory(self, results_dir, pcm_file_name):
time.sleep(self.pcm_delay)
cmd = ["%s/pcm-memory.x" % self.pcm_dir, "%s" % self.pcm_interval, "-csv=%s/%s" % (results_dir, pcm_file_name)]
pcm_memory = subprocess.Popen(cmd)
time.sleep(self.pcm_count)
pcm_memory.terminate()
def measure_pcm(self, results_dir, pcm_file_name):
time.sleep(self.pcm_delay)
cmd = ["%s/pcm.x" % self.pcm_dir, "%s" % self.pcm_interval, "-i=%s" % self.pcm_count, "-csv=%s/%s" % (results_dir, pcm_file_name)]
subprocess.run(cmd)
df = pd.read_csv(os.path.join(results_dir, pcm_file_name), header=[0, 1])
df = df.rename(columns=lambda x: re.sub(r'Unnamed:[\w\s]*$', '', x))
skt = df.loc[:, df.columns.get_level_values(1).isin({'UPI0', 'UPI1', 'UPI2'})]
skt_pcm_file_name = "_".join(["skt", pcm_file_name])
skt.to_csv(os.path.join(results_dir, skt_pcm_file_name), index=False)
def measure_pcm_power(self, results_dir, pcm_power_file_name):
time.sleep(self.pcm_delay)
out = self.exec_cmd(["%s/pcm-power.x" % self.pcm_dir, "%s" % self.pcm_interval, "-i=%s" % self.pcm_count])
with open(os.path.join(results_dir, pcm_power_file_name), "w") as fh:
fh.write(out)
def measure_bandwidth(self, results_dir, bandwidth_file_name):
self.exec_cmd(["bwm-ng", "-o csv", "-F %s/%s" % (results_dir, bandwidth_file_name),
"-a 1", "-t 1000", "-c %s" % self.bandwidth_count])
def measure_dpdk_memory(self, results_dir):
self.log_print("INFO: waiting to generate DPDK memory usage")
time.sleep(self.dpdk_wait_time)
self.log_print("INFO: generating DPDK memory usage")
rpc.env.env_dpdk_get_mem_stats
os.rename("/tmp/spdk_mem_dump.txt", "%s/spdk_mem_dump.txt" % (results_dir))
def sys_config(self):
self.log_print("====Kernel release:====")
self.log_print(os.uname().release)
self.log_print("====Kernel command line:====")
with open('/proc/cmdline') as f:
cmdline = f.readlines()
self.log_print('\n'.join(self.get_uncommented_lines(cmdline)))
self.log_print("====sysctl conf:====")
with open('/etc/sysctl.conf') as f:
sysctl = f.readlines()
self.log_print('\n'.join(self.get_uncommented_lines(sysctl)))
self.log_print("====Cpu power info:====")
self.log_print(self.exec_cmd(["cpupower", "frequency-info"]))
self.log_print("====zcopy settings:====")
self.log_print("zcopy enabled: %s" % (self.enable_zcopy))
self.log_print("====Scheduler settings:====")
self.log_print("SPDK scheduler: %s" % (self.scheduler_name))
class Initiator(Server):
def __init__(self, name, general_config, initiator_config):
super(Initiator, self).__init__(name, general_config, initiator_config)
# Required fields
self.ip = initiator_config["ip"]
self.remote_nic_ips = initiator_config["remote_nic_ips"]
# Defaults
self.cpus_allowed = None
self.cpus_allowed_policy = "shared"
self.spdk_dir = "/tmp/spdk"
self.fio_bin = "/usr/src/fio/fio"
self.nvmecli_bin = "nvme"
self.cpu_frequency = None
self.subsystem_info_list = []
if "spdk_dir" in initiator_config:
self.spdk_dir = initiator_config["spdk_dir"]
if "fio_bin" in initiator_config:
self.fio_bin = initiator_config["fio_bin"]
if "nvmecli_bin" in initiator_config:
self.nvmecli_bin = initiator_config["nvmecli_bin"]
if "cpus_allowed" in initiator_config:
self.cpus_allowed = initiator_config["cpus_allowed"]
if "cpus_allowed_policy" in initiator_config:
self.cpus_allowed_policy = initiator_config["cpus_allowed_policy"]
if "cpu_frequency" in initiator_config:
self.cpu_frequency = initiator_config["cpu_frequency"]
if os.getenv('SPDK_WORKSPACE'):
self.spdk_dir = os.getenv('SPDK_WORKSPACE')
self.ssh_connection = paramiko.SSHClient()
self.ssh_connection.set_missing_host_key_policy(paramiko.AutoAddPolicy())
self.ssh_connection.connect(self.ip, username=self.username, password=self.password)
self.exec_cmd(["sudo", "rm", "-rf", "%s/nvmf_perf" % self.spdk_dir])
self.exec_cmd(["mkdir", "-p", "%s" % self.spdk_dir])
self._nics_json_obj = json.loads(self.exec_cmd(["ip", "-j", "address", "show"]))
self.set_local_nic_info(self.set_local_nic_info_helper())
self.set_cpu_frequency()
self.configure_system()
if self.enable_adq:
self.configure_adq()
self.sys_config()
def set_local_nic_info_helper(self):
return json.loads(self.exec_cmd(["lshw", "-json"]))
def __del__(self):
self.ssh_connection.close()
def exec_cmd(self, cmd, stderr_redirect=False, change_dir=None):
if change_dir:
cmd = ["cd", change_dir, ";", *cmd]
# In case one of the command elements contains whitespace and is not
# already quoted, # (e.g. when calling sysctl) quote it again to prevent expansion
# when sending to remote system.
for i, c in enumerate(cmd):
if (" " in c or "\t" in c) and not (c.startswith("'") and c.endswith("'")):
cmd[i] = '"%s"' % c
cmd = " ".join(cmd)
# Redirect stderr to stdout thanks using get_pty option if needed
_, stdout, _ = self.ssh_connection.exec_command(cmd, get_pty=stderr_redirect)
out = stdout.read().decode(encoding="utf-8")
# Check the return code
rc = stdout.channel.recv_exit_status()
if rc:
raise CalledProcessError(int(rc), cmd, out)
return out
def put_file(self, local, remote_dest):
ftp = self.ssh_connection.open_sftp()
ftp.put(local, remote_dest)
ftp.close()
def get_file(self, remote, local_dest):
ftp = self.ssh_connection.open_sftp()
ftp.get(remote, local_dest)
ftp.close()
def copy_result_files(self, dest_dir):
self.log_print("Copying results")
if not os.path.exists(dest_dir):
os.mkdir(dest_dir)
# Get list of result files from initiator and copy them back to target
file_list = self.exec_cmd(["ls", "%s/nvmf_perf" % self.spdk_dir]).strip().split("\n")
for file in file_list:
self.get_file(os.path.join(self.spdk_dir, "nvmf_perf", file),
os.path.join(dest_dir, file))
self.log_print("Done copying results")
def discover_subsystems(self, address_list, subsys_no):
num_nvmes = range(0, subsys_no)
nvme_discover_output = ""
for ip, subsys_no in itertools.product(address_list, num_nvmes):
self.log_print("Trying to discover: %s:%s" % (ip, 4420 + subsys_no))
nvme_discover_cmd = ["sudo",
"%s" % self.nvmecli_bin,
"discover", "-t", "%s" % self.transport,
"-s", "%s" % (4420 + subsys_no),
"-a", "%s" % ip]
try:
stdout = self.exec_cmd(nvme_discover_cmd)
if stdout:
nvme_discover_output = nvme_discover_output + stdout
except CalledProcessError:
# Do nothing. In case of discovering remote subsystems of kernel target
# we expect "nvme discover" to fail a bunch of times because we basically
# scan ports.
pass
subsystems = re.findall(r'trsvcid:\s(\d+)\s+' # get svcid number
r'subnqn:\s+([a-zA-Z0-9\.\-\:]+)\s+' # get NQN id
r'traddr:\s+(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})', # get IP address
nvme_discover_output) # from nvme discovery output
subsystems = filter(lambda x: x[-1] in address_list, subsystems)
subsystems = list(set(subsystems))
subsystems.sort(key=lambda x: x[1])
self.log_print("Found matching subsystems on target side:")
for s in subsystems:
self.log_print(s)
self.subsystem_info_list = subsystems
def gen_fio_filename_conf(self, *args, **kwargs):
# Logic implemented in SPDKInitiator and KernelInitiator classes
pass
def gen_fio_config(self, rw, rwmixread, block_size, io_depth, subsys_no, num_jobs=None, ramp_time=0, run_time=10):
fio_conf_template = """
[global]
ioengine={ioengine}
{spdk_conf}
thread=1
group_reporting=1
direct=1
percentile_list=50:90:99:99.5:99.9:99.99:99.999
norandommap=1
rw={rw}
rwmixread={rwmixread}
bs={block_size}
time_based=1
ramp_time={ramp_time}
runtime={run_time}
"""
if "spdk" in self.mode:
bdev_conf = self.gen_spdk_bdev_conf(self.subsystem_info_list)
self.exec_cmd(["echo", "'%s'" % bdev_conf, ">", "%s/bdev.conf" % self.spdk_dir])
ioengine = "%s/build/fio/spdk_bdev" % self.spdk_dir
spdk_conf = "spdk_json_conf=%s/bdev.conf" % self.spdk_dir
else:
ioengine = "libaio"
spdk_conf = ""
out = self.exec_cmd(["sudo", "nvme", "list", "|", "grep", "-E", "'SPDK|Linux'",
"|", "awk", "'{print $1}'"])
subsystems = [x for x in out.split("\n") if "nvme" in x]
if self.cpus_allowed is not None:
self.log_print("Limiting FIO workload execution on specific cores %s" % self.cpus_allowed)
cpus_num = 0
cpus = self.cpus_allowed.split(",")
for cpu in cpus:
if "-" in cpu:
a, b = cpu.split("-")
a = int(a)
b = int(b)
cpus_num += len(range(a, b))
else:
cpus_num += 1
self.num_cores = cpus_num
threads = range(0, self.num_cores)
elif hasattr(self, 'num_cores'):
self.log_print("Limiting FIO workload execution to %s cores" % self.num_cores)
threads = range(0, int(self.num_cores))
else:
self.num_cores = len(subsystems)
threads = range(0, len(subsystems))
if "spdk" in self.mode:
filename_section = self.gen_fio_filename_conf(self.subsystem_info_list, threads, io_depth, num_jobs)
else:
filename_section = self.gen_fio_filename_conf(threads, io_depth, num_jobs)
fio_config = fio_conf_template.format(ioengine=ioengine, spdk_conf=spdk_conf,
rw=rw, rwmixread=rwmixread, block_size=block_size,
ramp_time=ramp_time, run_time=run_time)
if num_jobs:
fio_config = fio_config + "numjobs=%s \n" % num_jobs
if self.cpus_allowed is not None:
fio_config = fio_config + "cpus_allowed=%s \n" % self.cpus_allowed
fio_config = fio_config + "cpus_allowed_policy=%s \n" % self.cpus_allowed_policy
fio_config = fio_config + filename_section
fio_config_filename = "%s_%s_%s_m_%s" % (block_size, io_depth, rw, rwmixread)
if hasattr(self, "num_cores"):
fio_config_filename += "_%sCPU" % self.num_cores
fio_config_filename += ".fio"
self.exec_cmd(["mkdir", "-p", "%s/nvmf_perf" % self.spdk_dir])
self.exec_cmd(["echo", "'%s'" % fio_config, ">", "%s/nvmf_perf/%s" % (self.spdk_dir, fio_config_filename)])
self.log_print("Created FIO Config:")
self.log_print(fio_config)
return os.path.join(self.spdk_dir, "nvmf_perf", fio_config_filename)
def set_cpu_frequency(self):
if self.cpu_frequency is not None:
try:
self.exec_cmd(["sudo", "cpupower", "frequency-set", "-g", "userspace"], True)
self.exec_cmd(["sudo", "cpupower", "frequency-set", "-f", "%s" % self.cpu_frequency], True)
self.log_print(self.exec_cmd(["sudo", "cpupower", "frequency-info"]))
except Exception:
self.log_print("ERROR: cpu_frequency will not work when intel_pstate is enabled!")
sys.exit()
else:
self.log_print("WARNING: you have disabled intel_pstate and using default cpu governance.")
def run_fio(self, fio_config_file, run_num=None):
job_name, _ = os.path.splitext(fio_config_file)
self.log_print("Starting FIO run for job: %s" % job_name)
self.log_print("Using FIO: %s" % self.fio_bin)
if run_num:
for i in range(1, run_num + 1):
output_filename = job_name + "_run_" + str(i) + "_" + self.name + ".json"
output = self.exec_cmd(["sudo", self.fio_bin,
fio_config_file, "--output-format=json",
"--output=%s" % output_filename], True)
self.log_print(output)
else:
output_filename = job_name + "_" + self.name + ".json"
output = self.exec_cmd(["sudo", self.fio_bin,
fio_config_file, "--output-format=json",
"--output" % output_filename], True)
self.log_print(output)
self.log_print("FIO run finished. Results in: %s" % output_filename)
def sys_config(self):
self.log_print("====Kernel release:====")
self.log_print(self.exec_cmd(["uname", "-r"]))
self.log_print("====Kernel command line:====")
cmdline = self.exec_cmd(["cat", "/proc/cmdline"])
self.log_print('\n'.join(self.get_uncommented_lines(cmdline.splitlines())))
self.log_print("====sysctl conf:====")
sysctl = self.exec_cmd(["cat", "/etc/sysctl.conf"])
self.log_print('\n'.join(self.get_uncommented_lines(sysctl.splitlines())))
self.log_print("====Cpu power info:====")
self.log_print(self.exec_cmd(["cpupower", "frequency-info"]))
class KernelTarget(Target):
def __init__(self, name, general_config, target_config):
super(KernelTarget, self).__init__(name, general_config, target_config)
# Defaults
self.nvmet_bin = "nvmetcli"
if "nvmet_bin" in target_config:
self.nvmet_bin = target_config["nvmet_bin"]
def __del__(self):
nvmet_command(self.nvmet_bin, "clear")
def kernel_tgt_gen_subsystem_conf(self, nvme_list, address_list):
nvmet_cfg = {
"ports": [],
"hosts": [],
"subsystems": [],
}
# Split disks between NIC IP's
disks_per_ip = int(len(nvme_list) / len(address_list))
disk_chunks = [nvme_list[i * disks_per_ip:disks_per_ip + disks_per_ip * i] for i in range(0, len(address_list))]
subsys_no = 1
port_no = 0
for ip, chunk in zip(address_list, disk_chunks):
for disk in chunk:
nqn = "nqn.2018-09.io.spdk:cnode%s" % subsys_no
nvmet_cfg["subsystems"].append({
"allowed_hosts": [],
"attr": {
"allow_any_host": "1",
"serial": "SPDK00%s" % subsys_no,
"version": "1.3"
},
"namespaces": [
{
"device": {
"path": disk,
"uuid": "%s" % uuid.uuid4()
},
"enable": 1,
"nsid": subsys_no
}
],
"nqn": nqn
})
nvmet_cfg["ports"].append({
"addr": {
"adrfam": "ipv4",
"traddr": ip,
"trsvcid": "%s" % (4420 + port_no),
"trtype": "%s" % self.transport
},
"portid": subsys_no,
"referrals": [],
"subsystems": [nqn]
})
subsys_no += 1
port_no += 1
self.subsystem_info_list.append([port_no, nqn, ip])
with open("kernel.conf", "w") as fh:
fh.write(json.dumps(nvmet_cfg, indent=2))
pass
def tgt_start(self):
self.log_print("Configuring kernel NVMeOF Target")
if self.null_block:
print("Configuring with null block device.")
null_blk_list = ["/dev/nullb{}".format(x) for x in range(self.null_block)]
self.kernel_tgt_gen_subsystem_conf(null_blk_list, self.nic_ips)
self.subsys_no = len(null_blk_list)
else:
print("Configuring with NVMe drives.")
nvme_list = get_nvme_devices()
self.kernel_tgt_gen_subsystem_conf(nvme_list, self.nic_ips)
self.subsys_no = len(nvme_list)
nvmet_command(self.nvmet_bin, "clear")
nvmet_command(self.nvmet_bin, "restore kernel.conf")
self.log_print("Done configuring kernel NVMeOF Target")
class SPDKTarget(Target):
def __init__(self, name, general_config, target_config):
super(SPDKTarget, self).__init__(name, general_config, target_config)
# Required fields
self.core_mask = target_config["core_mask"]
self.num_cores = self.get_num_cores(self.core_mask)
# Defaults
self.dif_insert_strip = False
self.null_block_dif_type = 0
self.num_shared_buffers = 4096
if "num_shared_buffers" in target_config:
self.num_shared_buffers = target_config["num_shared_buffers"]
if "null_block_dif_type" in target_config:
self.null_block_dif_type = target_config["null_block_dif_type"]
if "dif_insert_strip" in target_config:
self.dif_insert_strip = target_config["dif_insert_strip"]
def get_num_cores(self, core_mask):
if "0x" in core_mask:
return bin(int(core_mask, 16)).count("1")
else:
num_cores = 0
core_mask = core_mask.replace("[", "")
core_mask = core_mask.replace("]", "")
for i in core_mask.split(","):
if "-" in i:
x, y = i.split("-")
num_cores += len(range(int(x), int(y))) + 1
else:
num_cores += 1
return num_cores
def spdk_tgt_configure(self):
self.log_print("Configuring SPDK NVMeOF target via RPC")
numa_list = get_used_numa_nodes()
# Create RDMA transport layer
rpc.nvmf.nvmf_create_transport(self.client, trtype=self.transport,
num_shared_buffers=self.num_shared_buffers,
dif_insert_or_strip=self.dif_insert_strip,
sock_priority=self.adq_priority)
self.log_print("SPDK NVMeOF transport layer:")
rpc.client.print_dict(rpc.nvmf.nvmf_get_transports(self.client))
if self.null_block:
self.spdk_tgt_add_nullblock(self.null_block)
self.spdk_tgt_add_subsystem_conf(self.nic_ips, self.null_block)
else:
self.spdk_tgt_add_nvme_conf()
self.spdk_tgt_add_subsystem_conf(self.nic_ips)
self.log_print("Done configuring SPDK NVMeOF Target")
def spdk_tgt_add_nullblock(self, null_block_count):
md_size = 0
block_size = 4096
if self.null_block_dif_type != 0:
md_size = 128
self.log_print("Adding null block bdevices to config via RPC")
for i in range(null_block_count):
self.log_print("Setting bdev protection to :%s" % self.null_block_dif_type)
rpc.bdev.bdev_null_create(self.client, 102400, block_size + md_size, "Nvme{}n1".format(i),
dif_type=self.null_block_dif_type, md_size=md_size)
self.log_print("SPDK Bdevs configuration:")
rpc.client.print_dict(rpc.bdev.bdev_get_bdevs(self.client))
def spdk_tgt_add_nvme_conf(self, req_num_disks=None):
self.log_print("Adding NVMe bdevs to config via RPC")
bdfs = get_nvme_devices_bdf()
bdfs = [b.replace(":", ".") for b in bdfs]
if req_num_disks:
if req_num_disks > len(bdfs):
self.log_print("ERROR: Requested number of disks is more than available %s" % len(bdfs))
sys.exit(1)
else:
bdfs = bdfs[0:req_num_disks]
for i, bdf in enumerate(bdfs):
rpc.bdev.bdev_nvme_attach_controller(self.client, name="Nvme%s" % i, trtype="PCIe", traddr=bdf)
self.log_print("SPDK Bdevs configuration:")
rpc.client.print_dict(rpc.bdev.bdev_get_bdevs(self.client))
def spdk_tgt_add_subsystem_conf(self, ips=None, req_num_disks=None):
self.log_print("Adding subsystems to config")
port = "4420"
if not req_num_disks:
req_num_disks = get_nvme_devices_count()
# Distribute bdevs between provided NICs
num_disks = range(0, req_num_disks)
if len(num_disks) == 1:
disks_per_ip = 1
else:
disks_per_ip = int(len(num_disks) / len(ips))
disk_chunks = [num_disks[i * disks_per_ip:disks_per_ip + disks_per_ip * i] for i in range(0, len(ips))]
# Create subsystems, add bdevs to namespaces, add listeners
for ip, chunk in zip(ips, disk_chunks):
for c in chunk:
nqn = "nqn.2018-09.io.spdk:cnode%s" % c
serial = "SPDK00%s" % c
bdev_name = "Nvme%sn1" % c
rpc.nvmf.nvmf_create_subsystem(self.client, nqn, serial,
allow_any_host=True, max_namespaces=8)
rpc.nvmf.nvmf_subsystem_add_ns(self.client, nqn, bdev_name)
rpc.nvmf.nvmf_subsystem_add_listener(self.client, nqn,
trtype=self.transport,
traddr=ip,
trsvcid=port,
adrfam="ipv4")
self.subsystem_info_list.append([port, nqn, ip])
self.log_print("SPDK NVMeOF subsystem configuration:")
rpc.client.print_dict(rpc.nvmf.nvmf_get_subsystems(self.client))
def tgt_start(self):
if self.null_block:
self.subsys_no = 1
else:
self.subsys_no = get_nvme_devices_count()
self.log_print("Starting SPDK NVMeOF Target process")
nvmf_app_path = os.path.join(self.spdk_dir, "build/bin/nvmf_tgt")
proc = subprocess.Popen([nvmf_app_path, "--wait-for-rpc", "-m", self.core_mask])
self.pid = os.path.join(self.spdk_dir, "nvmf.pid")
with open(self.pid, "w") as fh:
fh.write(str(proc.pid))
self.nvmf_proc = proc
self.log_print("SPDK NVMeOF Target PID=%s" % self.pid)
self.log_print("Waiting for spdk to initilize...")
while True:
if os.path.exists("/var/tmp/spdk.sock"):
break
time.sleep(1)
self.client = rpc.client.JSONRPCClient("/var/tmp/spdk.sock")
if self.enable_zcopy:
rpc.sock.sock_impl_set_options(self.client, impl_name="posix",
enable_zerocopy_send=True)
self.log_print("Target socket options:")
rpc.client.print_dict(rpc.sock.sock_impl_get_options(self.client, impl_name="posix"))
if self.enable_adq:
rpc.sock.sock_impl_set_options(self.client, impl_name="posix", enable_placement_id=1)
rpc.bdev.bdev_nvme_set_options(self.client, timeout_us=0, action_on_timeout=None,
nvme_adminq_poll_period_us=100000, retry_count=4)
rpc.nvmf.nvmf_set_config(self.client, acceptor_poll_rate=10000)
rpc.app.framework_set_scheduler(self.client, name=self.scheduler_name)
rpc.framework_start_init(self.client)
self.spdk_tgt_configure()
def __del__(self):
if hasattr(self, "nvmf_proc"):
try:
self.nvmf_proc.terminate()
self.nvmf_proc.wait()
except Exception as e:
self.log_print(e)
self.nvmf_proc.kill()
self.nvmf_proc.communicate()
class KernelInitiator(Initiator):
def __init__(self, name, general_config, initiator_config):
super(KernelInitiator, self).__init__(name, general_config, initiator_config)
# Defaults
self.extra_params = ""
if "extra_params" in initiator_config:
self.extra_params = initiator_config["extra_params"]
def __del__(self):
self.ssh_connection.close()
def kernel_init_connect(self, address_list, subsys_no):
self.log_print("Below connection attempts may result in error messages, this is expected!")
for subsystem in self.subsystem_info_list:
self.log_print("Trying to connect %s %s %s" % subsystem)
self.exec_cmd(["sudo", self.nvmecli_bin, "connect", "-t", self.transport,
"-s", subsystem[0], "-n", subsystem[1], "-a", subsystem[2], self.extra_params])
time.sleep(2)
def kernel_init_disconnect(self, address_list, subsys_no):
for subsystem in self.subsystem_info_list:
self.exec_cmd(["sudo", self.nvmecli_bin, "disconnect", "-n", subsystem[1]])
time.sleep(1)
def gen_fio_filename_conf(self, threads, io_depth, num_jobs=1):
out = self.exec_cmd(["sudo", "nvme", "list", "|", "grep", "-E", "'SPDK|Linux'",
"|", "awk", "'{print $1}'"])
nvme_list = [x for x in out.split("\n") if "nvme" in x]
filename_section = ""
nvme_per_split = int(len(nvme_list) / len(threads))
remainder = len(nvme_list) % len(threads)
iterator = iter(nvme_list)
result = []
for i in range(len(threads)):
result.append([])
for j in range(nvme_per_split):
result[i].append(next(iterator))
if remainder:
result[i].append(next(iterator))
remainder -= 1
for i, r in enumerate(result):
header = "[filename%s]" % i
disks = "\n".join(["filename=%s" % x for x in r])
job_section_qd = round((io_depth * len(r)) / num_jobs)
if job_section_qd == 0:
job_section_qd = 1
iodepth = "iodepth=%s" % job_section_qd
filename_section = "\n".join([filename_section, header, disks, iodepth])
return filename_section
class SPDKInitiator(Initiator):
def __init__(self, name, general_config, initiator_config):
super(SPDKInitiator, self).__init__(name, general_config, initiator_config)
# Required fields
self.num_cores = initiator_config["num_cores"]
def install_spdk(self, local_spdk_zip):
self.put_file(local_spdk_zip, "/tmp/spdk_drop.zip")
self.log_print("Copied sources zip from target")
self.exec_cmd(["unzip", "-qo", "/tmp/spdk_drop.zip", "-d", self.spdk_dir])
self.log_print("Sources unpacked")
self.log_print("Using fio binary %s" % self.fio_bin)
self.exec_cmd(["git", "-C", self.spdk_dir, "submodule", "update", "--init"])
self.exec_cmd(["git", "-C", self.spdk_dir, "clean", "-ffdx"])
self.exec_cmd(["cd", self.spdk_dir, "&&", "./configure", "--with-rdma", "--with-fio=%s" % os.path.dirname(self.fio_bin)])
self.exec_cmd(["make", "-C", self.spdk_dir, "clean"])
self.exec_cmd(["make", "-C", self.spdk_dir, "-j$(($(nproc)*2))"])
self.log_print("SPDK built")
self.exec_cmd(["sudo", "%s/scripts/setup.sh" % self.spdk_dir])
def gen_spdk_bdev_conf(self, remote_subsystem_list):
bdev_cfg_section = {
"subsystems": [
{
"subsystem": "bdev",
"config": []
}
]
}
for i, subsys in enumerate(remote_subsystem_list):
sub_port, sub_nqn, sub_addr = map(lambda x: str(x), subsys)
nvme_ctrl = {
"method": "bdev_nvme_attach_controller",
"params": {
"name": "Nvme{}".format(i),
"trtype": self.transport,
"traddr": sub_addr,
"trsvcid": sub_port,
"subnqn": sub_nqn,
"adrfam": "IPv4"
}
}
if self.enable_adq:
nvme_ctrl["params"].update({"priority": "1"})
bdev_cfg_section["subsystems"][0]["config"].append(nvme_ctrl)
return json.dumps(bdev_cfg_section, indent=2)
def gen_fio_filename_conf(self, subsystems, threads, io_depth, num_jobs=1):
filename_section = ""
if len(threads) >= len(subsystems):
threads = range(0, len(subsystems))
filenames = ["Nvme%sn1" % x for x in range(0, len(subsystems))]
nvme_per_split = int(len(subsystems) / len(threads))
remainder = len(subsystems) % len(threads)
iterator = iter(filenames)
result = []
for i in range(len(threads)):
result.append([])
for j in range(nvme_per_split):
result[i].append(next(iterator))
if remainder:
result[i].append(next(iterator))
remainder -= 1
for i, r in enumerate(result):
header = "[filename%s]" % i
disks = "\n".join(["filename=%s" % x for x in r])
job_section_qd = round((io_depth * len(r)) / num_jobs)
if job_section_qd == 0:
job_section_qd = 1
iodepth = "iodepth=%s" % job_section_qd
filename_section = "\n".join([filename_section, header, disks, iodepth])
return filename_section
if __name__ == "__main__":
spdk_zip_path = "/tmp/spdk.zip"
target_results_dir = "/tmp/results"
if (len(sys.argv) > 1):
config_file_path = sys.argv[1]
else:
script_full_dir = os.path.dirname(os.path.realpath(__file__))
config_file_path = os.path.join(script_full_dir, "config.json")
print("Using config file: %s" % config_file_path)
with open(config_file_path, "r") as config:
data = json.load(config)
initiators = []
fio_cases = []
general_config = data["general"]
target_config = data["target"]
initiator_configs = [data[x] for x in data.keys() if "initiator" in x]
for k, v in data.items():
if "target" in k:
if data[k]["mode"] == "spdk":
target_obj = SPDKTarget(k, data["general"], v)
elif data[k]["mode"] == "kernel":
target_obj = KernelTarget(k, data["general"], v)
pass
elif "initiator" in k:
if data[k]["mode"] == "spdk":
init_obj = SPDKInitiator(k, data["general"], v)
elif data[k]["mode"] == "kernel":
init_obj = KernelInitiator(k, data["general"], v)
initiators.append(init_obj)
elif "fio" in k:
fio_workloads = itertools.product(data[k]["bs"],
data[k]["qd"],
data[k]["rw"])
fio_run_time = data[k]["run_time"]
fio_ramp_time = data[k]["ramp_time"]
fio_rw_mix_read = data[k]["rwmixread"]
fio_run_num = data[k]["run_num"] if "run_num" in data[k].keys() else None
fio_num_jobs = data[k]["num_jobs"] if "num_jobs" in data[k].keys() else None
else:
continue
# Copy and install SPDK on remote initiators
if "skip_spdk_install" not in data["general"]:
target_obj.zip_spdk_sources(target_obj.spdk_dir, spdk_zip_path)
threads = []
for i in initiators:
if i.mode == "spdk":
t = threading.Thread(target=i.install_spdk, args=(spdk_zip_path,))
threads.append(t)
t.start()
for t in threads:
t.join()
target_obj.tgt_start()
try:
os.mkdir(target_results_dir)
except FileExistsError:
pass
for i in initiators:
i.discover_subsystems(i.remote_nic_ips, target_obj.subsys_no)
# Poor mans threading
# Run FIO tests
for block_size, io_depth, rw in fio_workloads:
threads = []
configs = []
for i in initiators:
if i.mode == "kernel":
i.kernel_init_connect(i.remote_nic_ips, target_obj.subsys_no)
cfg = i.gen_fio_config(rw, fio_rw_mix_read, block_size, io_depth, target_obj.subsys_no,
fio_num_jobs, fio_ramp_time, fio_run_time)
configs.append(cfg)
for i, cfg in zip(initiators, configs):
t = threading.Thread(target=i.run_fio, args=(cfg, fio_run_num))
threads.append(t)
if target_obj.enable_sar:
sar_file_name = "_".join([str(block_size), str(rw), str(io_depth), "sar"])
sar_file_name = ".".join([sar_file_name, "txt"])
t = threading.Thread(target=target_obj.measure_sar, args=(target_results_dir, sar_file_name))
threads.append(t)
if target_obj.enable_pcm:
pcm_fnames = ["%s_%s_%s_%s.csv" % (block_size, rw, io_depth, x) for x in ["pcm_cpu", "pcm_memory", "pcm_power"]]
pcm_cpu_t = threading.Thread(target=target_obj.measure_pcm, args=(target_results_dir, pcm_fnames[0],))
pcm_mem_t = threading.Thread(target=target_obj.measure_pcm_memory, args=(target_results_dir, pcm_fnames[1],))
pcm_pow_t = threading.Thread(target=target_obj.measure_pcm_power, args=(target_results_dir, pcm_fnames[2],))
threads.append(pcm_cpu_t)
threads.append(pcm_mem_t)
threads.append(pcm_pow_t)
if target_obj.enable_bandwidth:
bandwidth_file_name = "_".join(["bandwidth", str(block_size), str(rw), str(io_depth)])
bandwidth_file_name = ".".join([bandwidth_file_name, "csv"])
t = threading.Thread(target=target_obj.measure_bandwidth, args=(target_results_dir, bandwidth_file_name,))
threads.append(t)
if target_obj.enable_dpdk_memory:
t = threading.Thread(target=target_obj.measure_dpdk_memory, args=(target_results_dir))
threads.append(t)
for t in threads:
t.start()
for t in threads:
t.join()
for i in initiators:
if i.mode == "kernel":
i.kernel_init_disconnect(i.remote_nic_ips, target_obj.subsys_no)
i.copy_result_files(target_results_dir)
target_obj.restore_governor()
target_obj.restore_tuned()
target_obj.restore_services()
target_obj.restore_sysctl()
for i in initiators:
i.restore_governor()
i.restore_tuned()
i.restore_services()
i.restore_sysctl()
target_obj.parse_results(target_results_dir)